CONVERTS AC TO DC: Reliable 30 Amp power supply for CB, Ham, GMRS, LMR Radios, and all 13.8V DC Devices VERSATILE CONNECTIONS: Features Cigarette Plug and Screw-Type Terminals for Easy Compatibility with DC Powered Devices EASY OPERATION: Simple Plug-In Operation for Consistent 110V AC to DC Power Conversion with Switch-Activated Control ADVANCED SAFETY PROTECTION: Overheat, Short Circuit, and Amperage Surge Protection for Safe Usage USA SUPPORT & DEVELOPMENT: BTECH Products Designed in the USA with Real Local Warranty and Support